Complete DSS 306 rotating assembly. Never used, including DSS Pro Series flat top pistons, comp ratios are as follows: with 54cc head, 10.6:1, with 58cc, 10.1:1, with 60cc, 9.8:1, with 62cc, 9.6:1, with 64cc, 9.4:1. Melling high volume oil pump, Speed Pro moly rings, Clevite main and rod bearings, Ford Racing forged con rods, fully balanced and blueprinted. Cost $1300, sell for $1000 plus shipping. This kit is brand new. Gasket set opened only to verify contents, crank opened only to check for shipping damage but never taken out of plastic.